Super Antenna MP1B All Band Ham Radio HF Portable MP1 Antenna with SWR Ruler NEW UPGRADE VERSION of the MP1 Super Antenna Ham Radio Portable Antenna for HF - VHF. For Indoor or Outside field use. Big signal in a small package. The #1 HF Portable Vertical Worldwide. THIS IS: The Super Antenna MP1B Antenna. This version was discontinued in May 2016 and replaced by the new version MP1C. A new upgraded version is available, called the "Super Antenna MP1C All Band HF VHF Ham Radio Portable MP1 Antenna". Amazon link to the new 2016 upgrade product: http://www.amazon.com/dp/B01GWW0N5Q